| Value | Category |
|---|---|
| 01 | non literate |
| 02 | literate through attending NFEC/AEC |
| 03 | TLC |
| 04 | others |
| 05 | literate but below primary |
| 06 | primary |
| 07 | middle |
| 08 | secondary |
| 09 | higher secondary |
| 10 | graduate and above in: agriculture |
| 11 | graduate and above in: engineering/technology |
| 12 | graduate and above in: medicine |
| 13 | graduate and above in: other subjects |